Water-motor.



H. SA WYER.

WATER. MOTOR. APPLICATiQ-"QFILED MAR. 2-8. 1916.

Patented Mar. 13, 1917.

STATES PATENT OFF CE.

' a HOWARD n. snwirnn, or PORTLAND, oREG N.

ATER-moron.

speifimion of t a ntl Patented Mar. 13,1917.

' Application filed March 28, 1916. Serial No. 87,307;

- all whom z't mayconcem Be it known that I, Howa'nn H. SAWYER,

.a citizen of the United States, residing at Portland, in the county of Multnomah, State of Oregon, have invented certain "new and useful Improvements in Water-Motors; and I dohereby declare the following to be a full clear, and exact description of the invent1on, such as will enable others skilled in theart to whichit appertains to make.

and use the same.

This invention relates to improvements in water motors.

One object of the present invention is to providea novel raising and lowering means for the mechanismto accord -withthe rise and fall of the tide.

I Another object is to provide an improved construction of -vane in the power vchain whereby simplicity will be combined with cheapness.

Another object is to improve and simplify the construction of. the power chain quickly set into or removed from the chain.

' Other objects and advantages will be apparent from the following description when thereof.

Referring particularly-to the accompanytaken in connection with the drawing.

In the drawing;

Figure 1 is a verticallongitudinal sectional view through my improved water motor.

" Fig. 2 is a detailed perspective view of one of the raising and lowering means for accompanying the mechanism.

Fig; 3 is a perspective view of a section ofthe power chain.

Fig. 4 is a perspective view of a section of the power chain, showing a modification ing. drawing, 10 represents apair of piers,

spaced at suitable distance apart, and ar ranged respectively upstream and downstream. Between these piers is a third pier .11. Formed vertically in each of the piers 10 is a well 12, to the sides of which are secured the channel members 13, forming guides, as will be later explained. These 'channel'members are embeddedinthe walls of the wells, the piers being formed of concrete, and are anchored by means of bolts 14, which have their heads countersunk= into the members and lying flush with the faces 5 of the channel members. In the lowerpor of the vane.

at 20, and formed with a transverse opening 7 or bore 21 in which is received one end of a shaft 22. The. parts described'with respect to the we. are duplicated at the other side of each wtl', so that the shafts 2:2 are supported at b==-th ends therein. 23 are formed in the outer faces of the blocks, and is said recesses are mounted the rollers 24., which serve to facilitate the-upward and d: -vnward movements of the blocks in the guides. before mentioned at 13. Suitable brackets 25 are mounted at the top of the pier 11, to support a shaft 26, on which are mounted the sprocket wheels :27. On the ends of the shafts 22 are also mounted sprockets 28. and engaged around the sprockets 27 and 28 are chains 29. These chains are made up of the parallel plates 30,

and the transverse bolts 31, arranged in sections, and between each pair of sections are disposed vertically disposed vanes or blades 4 32. These vanes are formed of metal, and have their upper and lower edge portions turned rearwardlv as clearly shown at The upper portions of the sides of the vane are cut as shown at 34, and the portions bent downwardly and rearwardly, as shown at 35, and at right angles to the vertical plane Secured to the upper face of each of the rearwardly turned portions 35 is a plate 36, having its front and rear ends .rolled, as shown at 37L The ends of the plates 30 at the adjacent ends of the chain sections, are disposed at the ends of the rolled portions of the plates 36. and bolts 38 passed through the plates and rolled portions. Thus the blades or vanes are held in proper positions between the sections of the chains, for action thereagainst of the water current of the stream.

In Fig. 4 is shown a modified form of the vane, in which the body is formed of a single 4 board or wooden strips 39 secured together at their endsby the metal strips 40. The

intermediate portions of these metal strips Recesses the shaft 26, through are twisted to lie in horizontal planes, as shown at 41, and then the plates 42, similar to the plates 36 are secured to the lower I It will thus be seen that the current of the stream will strike against the vanes and drive the chains, which in turn will rotate the means of the sprocket wheels carried thereby.

What is claimed is: I

1. In a Water motor, .piers, vertically adjustable shafts mounted on the piers, sprockets' carried by the shafts, additional piers disposed between the first-named piers, a

. shaft carrying sprockets mounted on the additional piers, power chains engaged around the sprockets, and vertically disposed vanes secured at intervals in" the chains, said vanes each comprising a metal plate having its upper and lower edge portions curved rearbolts at the ends wardly, rearwardly extending integral members formed at the sides of the vane, having their ends rolled into tubular form secured to the said members, and bolts engaged through the tubular portions and the ad acent links of the chains.

2. A water motor including an endless travelin element 00m rising a plurality of vertical y disposed p ates each having a.

' tab formed at one end and on the upper portion thereof, the tab being bent to extend at right angles to the plane ofthe plate, a plate secured to the tab and extending forwardly and rearwardy of the first-named plate, the ends of the second-named plate being rolled into tubular form, bolts, disposed in the tubular portions,

I of the tubular portions.

In testimony whereof, I aflix my signature, in the presence of two witnesses. HOWARD H. SAWYER. Witnesses:

Esme

L. T. Pmii.

andlinks engaged on the 25 plates Q 

